local-iozone KVM testing on CentOS Linux 7 via the Phoronix Test Suite. local-iozone: Processor: 2 x Intel Celeron_4x0 (Conroe/Merom Class Core 2) @ 2.39GHz (2 Cores), Motherboard: oVirt Node (1.11.0-2.el7 BIOS), Memory: 1 x 4096 MB RAM, Disk: 43GB QEMU HDD, Graphics: qxldrmfb OS: CentOS Linux 7, Kernel: 3.10.0-862.11.6.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better local-iozone . 13486.40 |====================================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better local-iozone . 11600.95 |====================================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better local-iozone . 12326.43 |====================================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better local-iozone . 12392.18 |====================================================== CacheBench Read Cache MB/s > Higher Is Better local-iozone . 2108.50 |======================================================= CacheBench Write Cache MB/s > Higher Is Better local-iozone . 10264.66 |======================================================